Handheld ultraviolet sterilization device



FIG. 1 shows a first perspective view of the handheld ultraviolet sterilization device of the present application;

FIG. 2 shows a second perspective view thereof;

FIG. 3 shows a top view thereof;

FIG. 4 shows a front view thereof;

FIG. 5 shows a first side view thereof;

FIG. 6 shows a second side view thereof;

FIG. 7 shows a back view thereof; and,

FIG. 8 shows a bottom view thereof.

The broken lines depict a portion of the handheld ultraviolet sterilization device that forms no part of the claimed design. 

CLAIM The ornamental design for a handheld ultraviolet sterilization device, as shown and described. 